With a wide spread of smart phone, Smart society has been progressed through nationwide that changed way of personal daily life rapidly. As smart work has been introduced and utilized at the office, it is possible that the person in charge can handle remote transaction without restriction of time and place. Smartlization throughout the society has been progressed, member of work and system related can be linked mutually and took personalized services. This study identifies explorative moderating effect of smart environment at performance of work with employee cognition. As a result, found that smart work environment with complexity of work has increased moderating effect over collaborative work.